Gynaecological endocrinology: PCOS: practice question

A OBG question in the style of the NEET PG paper. Answer it first, then read why the right option is right and why each of the others is wrong.

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OBG · Gynaecological endocrinology: PCOS

Sample item

A 24-year-old woman has 4 periods a year, acne, hirsutism and a BMI of 29. Ultrasound shows 24 follicles of 2 to 9 mm in each ovary. Under the Rotterdam criteria, how many criteria does she meet?

Original practice item, not a recalled exam question. Nothing here is recorded.

The answer and the reasoning

B. All three: oligo-ovulation, clinical hyperandrogenism and polycystic ovarian morphology

The Rotterdam criteria require two of three: oligo- or anovulation, clinical or biochemical hyperandrogenism, and polycystic ovaries on ultrasound, after exclusion of other causes (thyroid disease, hyperprolactinaemia, non-classic congenital adrenal hyperplasia). She meets all three. First-line management addresses weight, menstrual regularity and hyperandrogenism.

Option by option

  • A. Only one, so she does not have polycystic ovary syndrome

    She meets all three criteria, and two are enough for the diagnosis.

  • B. All three: oligo-ovulation, clinical hyperandrogenism and polycystic ovarian morphology (correct)

    Correct. She has oligomenorrhoea, hirsutism and acne, and polycystic morphology.

  • C. Two, but she must also have diabetes

    Diabetes is not required for the diagnosis.

  • D. None, because the diagnosis needs raised LH

    Raised LH is not a diagnostic criterion.

Source note: Original NextPrep sample item — pending expert review. This item is original practice material awaiting independent expert review, so confirm important facts in a standard textbook.

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Questions about this OBG question

What is the answer to this OBG question?

The best answer is B, All three: oligo-ovulation, clinical hyperandrogenism and polycystic ovarian morphology. The Rotterdam criteria require two of three: oligo- or anovulation, clinical or biochemical hyperandrogenism, and polycystic ovaries on ultrasound, after exclusion of other causes (thyroid disease, hyperprolactinaemia, non-classic congenital adrenal hyperplasia).

Why is "Only one, so she does not have polycystic ovary syndrome" not the answer?

She meets all three criteria, and two are enough for the diagnosis.

Why is "Two, but she must also have diabetes" not the answer?

Diabetes is not required for the diagnosis.

Why is "None, because the diagnosis needs raised LH" not the answer?

Raised LH is not a diagnostic criterion.

What concept does this question test?

It tests Gynaecological endocrinology: PCOS in OBG. She meets all three. First-line management addresses weight, menstrual regularity and hyperandrogenism.

How hard is this question?

We tag it as an application question: it asks you to use a fact on a patient or a finding. The tag is our own editorial judgement, not an official difficulty rating, so read the reason for every option, not only the answer.

How should I study Gynaecological endocrinology: PCOS?

Learn management algorithms as steps: PPH, eclampsia, ectopic pregnancy. Then use the flashcards and the other OBG questions on this site to test what stuck.

Is this a real NEET PG question?

No. It is an original practice item (editorial status: sample, version 1). NextPrep does not publish recalled or leaked questions, and independent faculty review of this item has not been completed yet, so confirm important facts in a standard textbook.